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Memory Management — Senior

Under load, unbounded queues and caches defeat any collector. Pinned objects fragment moving heaps; finalizers delay reclamation; off-heap buffers hide from heap limits. Set memory budgets with backpressure and capture heap, native, mmap, and cgroup evidence.

Test yourself

  1. Why does a stable heap not prove stable RSS?
  2. How does pinning affect compaction?
  3. Which limit stops admission before OOM?

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